Qi, Xin; Kim, Sook Kyung; Han, Su Jung; Xu, Li; Jee, Ah Young; Kim, Ha Na; Lee, Chongmok; Kim, Youngmee; Lee, Minyung; Kim, Sung-Jin; Yoon, Juyoung
Tetrahedron Letters, 2008 , vol. 49, # 2 p. 261 - 264